Impact of extreme seasonal drought on ecosystem carbon‒water coupling across China

Huang, Meng-Tian; Zhai, Pan-Mao

doi:10.1016/j.accre.2024.08.001

Advances in Climate Change Research

2024

DOI: 10.1016/j.accre.2024.08.001

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Impact of extreme seasonal drought on ecosystem carbon‒water coupling across China

Meng-Tian Huang,

Pan-Mao Zhai

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Cited by 2 publications

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Seasonal Differences in Vegetation Susceptibility to Soil Drought During 2001–2021

Tang,

Niu,

Peng

et al. 2024

JGR Biogeosciences

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Droughts typically exert negative effects on vegetation growth, which largely depend on the timing of drought onset. However, huge inconsistencies exist in the seasonal vegetation response to drought among diverse regions across the globe. Here, using the leaf area index (LAI) and solar‐induced chlorophyll fluorescence (SIF), we quantified the vegetation susceptibility by calculating the coincidence rate between vegetation suppression extremes and soil droughts, and further investigated the spatiotemporal changes of vegetation susceptibility during different seasons from 2001 to 2021. We found the vegetation during summer and dry seasons were most susceptible to soil droughts in the extra‐tropics and tropics, respectively. Temporally, the autumn vegetation susceptibility was strengthening in drought‐susceptible regions of extra‐tropics, albeit with insignificant change during spring, summer and the entire growing season. Both the dry and wet seasons showed evidently increasing vegetation susceptibility on the dry tropical ecosystems, which dominated the enhanced vegetation susceptibility of global drought‐susceptible regions. Our findings determined the spatial pattern of most susceptible seasons to soil droughts across the globe and highlighted the enhanced risk to soil droughts, especially in the dry tropics.

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Seasonal Differences in Vegetation Susceptibility to Soil Drought During 2001–2021

Tang,

Niu,

Peng

et al. 2024

JGR Biogeosciences

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Dual Method for Comprehensive Evaluation of Sustainable Water Resources’ Utilization Capacity in Huangshui River in Yellow River Basin, China

Fan,

Li,

Gao

et al. 2024

Water

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The evaluation of sustainable water resources’ utilization capacity in the Huangshui Basin is essential for effective management and development in the water-scarce regions of northwest China. This research provides valuable insights into the basin’s potential capacity for sustainable water resource use by developing a comprehensive evaluation index that addresses the following three critical aspects: climate factors, water resource systems, and socio-economic conditions. The evaluation is conducted using a dual method, as follows: the fuzzy comprehensive evaluation model and the ELECTRE III evaluation method. The results indicate that the Huangshui Basin’s water resources, as a whole, exhibit a medium sustainable utilization capacity. Climatic factors and socio-economic characteristics are the main factors affecting the sustainable utilization of water resources in the Huangshui Basin. Remarkably, both methods yield consistent results, indicating that the overall sustainable utilization capacity of the Huangshui Basin’s water resources is medium. Climatic factors and socio-economic characteristics are identified as the primary aspects influencing the sustainable utilization of water resources in the basin. Based on these findings, recommendations such as enhancing the introduction of external water resources, improving water resources’ management, and implementing comprehensive remediation efforts can help to elevate the level of sustainable water use. This research not only contributes to a deeper understanding of the basin’s water resources’ dynamics, but also serves as an important reference for informed decision making regarding sustainable utilization in the Huangshui Basin.

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Impact of extreme seasonal drought on ecosystem carbon‒water coupling across China

Cited by 2 publications

References 50 publications

Seasonal Differences in Vegetation Susceptibility to Soil Drought During 2001–2021

Seasonal Differences in Vegetation Susceptibility to Soil Drought During 2001–2021

Dual Method for Comprehensive Evaluation of Sustainable Water Resources’ Utilization Capacity in Huangshui River in Yellow River Basin, China

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